::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.4);
}
::-webkit-scrollbar-track {
  background: transparent;
  border: 0px none #ffffff;
  border-radius: 0px;
}
::-webkit-scrollbar-corner {
  background: transparent;
}